Haitang Bay (simplified Chinese: 海棠湾; traditional Chinese: 海棠灣; pinyin: Hǎitáng Wān) is one of the five major bays in Sanya, Hainan Province, China.
This 42.8 km beach is located in Haitangwan Town, Sanya, and Yingzhou Town, Lingshui. To its south are Yalong Bay and Wuzhizhou Island.
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Coordinates: 18°18′33″N 109°44′10″E / 18.309225°N 109.736080°E